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Features
Description
Wedge-Locking Header BoltsBig Block Chevy , Big Block Mopar 413, Small Block Ford3/8" Diameter x 1" LongBlack Oxide16/pkg Fits: GM BB 396-502 except 348 & 409, Ford 5.0L, SBF 289-302-351W, and Mopar 413 with 3/8" boltsNote: 3/4" length bolts most often used for cast iron heads. 1" length bolts recommended for aluminum heads.
Material: Alloy Steel
Grade Rating: Grade 10.9
Exterior Finish: Black Oxide
Manufacturer Grade: Grade 10.9
Head Style: Flat
Material: Alloy Steel
Grade Rating: Grade 10.9
Exterior Finish: Black Oxide
Manufacturer Grade: Grade 10.9
Head Style: Flat
Color: black
Fastener Type: Hexagon Bolt
Brand: ProForm
Thread Type: Un
Item Diameter: 0.38 Inches
Thread Style: Right Hand
Item Hardness: Grade 10.9
Metal Type: Aluminum
Head Type: Hex
Compatible groove diameter: 0.38 Inches
Number of Pieces: 16
UPC: 037995667567
Global Trade Identification Number: 67
Manufacturer: PROFORM
Item Weight: 11.2 ounces
Item model number: 66756
Is Discontinued By Manufacturer: No
Manufacturer Part Number: 66756
OEM Part Number: 66756
Date First Available: February 26, 2015
